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net/bnxt: support mapper flow database opcodes

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Added support for mapper flow database opcode to enable
shared resources like mirror action. This allows mapper
to conditionally populate flow database based on template content.

Signed-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Mike Baucom <michael.baucom@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Kishore Padmanabha 2021-05-30 14:28:59 +05:30 committed by Ajit Khaparde
parent f634204b7a
commit 0117293cc6
3 changed files with 95 additions and 36 deletions
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119
drivers/net/bnxt/tf_ulp/ulp_mapper.c
View File

@ -469,6 +469,80 @@ ulp_mapper_child_flow_free(struct bnxt_ulp_context *ulp,
return 0;
}
/*
* Process the flow database opcode action.
* returns 0 on success.
*/
static int32_t
ulp_mapper_fdb_opc_process(struct bnxt_ulp_mapper_parms *parms,
struct bnxt_ulp_mapper_tbl_info *tbl,
struct ulp_flow_db_res_params *fid_parms)
{
uint32_t push_fid, fid = 0;
uint64_t val64;
int32_t rc = 0;
switch (tbl->fdb_opcode) {
case BNXT_ULP_FDB_OPC_PUSH:
push_fid = parms->fid;
break;
case BNXT_ULP_FDB_OPC_ALLOC_PUSH_REGFILE:
/* allocate a new fid */
rc = ulp_flow_db_fid_alloc(parms->ulp_ctx,
BNXT_ULP_FDB_TYPE_REGULAR,
tbl->resource_func, &fid);
if (rc) {
BNXT_TF_DBG(ERR,
"Unable to allocate flow table entry\n");
return rc;
}
/* Store the allocated fid in regfile*/
val64 = fid;
rc = ulp_regfile_write(parms->regfile, tbl->flow_db_operand,
val64);
if (!rc) {
BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
tbl->flow_db_operand);
rc = -EINVAL;
goto error;
}
/* Use the allocated fid to update the flow resource */
push_fid = fid;
break;
case BNXT_ULP_FDB_OPC_PUSH_REGFILE:
/* get the fid from the regfile */
rc = ulp_regfile_read(parms->regfile, tbl->flow_db_operand,
&val64);
if (!rc) {
BNXT_TF_DBG(ERR, "regfile[%d] read oob\n",
tbl->flow_db_operand);
return -EINVAL;
}
/* Use the extracted fid to update the flow resource */
push_fid = (uint32_t)val64;
break;
default:
return rc; /* Nothing to be done */
}
/* Add the resource to the flow database */
rc = ulp_flow_db_resource_add(parms->ulp_ctx, parms->flow_type,
push_fid, fid_parms);
if (rc) {
BNXT_TF_DBG(ERR, "Failed to add res to flow %x rc = %d\n",
push_fid, rc);
goto error;
}
return rc;
error:
/* free the allocated fid */
if (fid)
ulp_flow_db_fid_free(parms->ulp_ctx,
BNXT_ULP_FDB_TYPE_REGULAR, fid);
return rc;
}
/*
* Process the identifier instruction and either store it in the flow database
* or return it in the val (if not NULL) on success. If val is NULL, the
@ -524,10 +598,7 @@ ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.resource_hndl = iparms.id;
fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc) {
BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
rc);
@ -618,10 +689,7 @@ ulp_mapper_ident_extract(struct bnxt_ulp_mapper_parms *parms,
fid_parms.resource_type = ident->ident_type;
fid_parms.resource_hndl = sparms.search_id;
fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc) {
BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
rc);
@ -1103,10 +1171,7 @@ ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
fid_parms.resource_type = mark_flag;
fid_parms.resource_hndl = gfid;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc)
BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
return rc;
@ -1152,10 +1217,7 @@ ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
fid_parms.resource_type = mark_flag;
fid_parms.resource_hndl = act_idx;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc)
BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
return rc;
@ -1201,10 +1263,7 @@ ulp_mapper_mark_vfr_idx_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
fid_parms.resource_type = mark_flag;
fid_parms.resource_hndl = act_idx;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc)
BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
return rc;
@ -1580,10 +1639,7 @@ ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.resource_type = tbl->resource_type;
fid_parms.critical_resource = tbl->critical_resource;
fid_parms.resource_hndl = idx;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc) {
BNXT_TF_DBG(ERR,
"Failed to link resource to flow rc = %d\n",
@ -1741,10 +1797,7 @@ ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.critical_resource = tbl->critical_resource;
fid_parms.resource_hndl = iparms.flow_handle;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc) {
BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
rc);
@ -1968,10 +2021,7 @@ ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.resource_hndl = index;
fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc) {
BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
rc);
@ -2280,10 +2330,7 @@ ulp_mapper_gen_tbl_process(struct bnxt_ulp_mapper_parms *parms,
fid_parms.resource_sub_type = tbl->resource_sub_type;
fid_parms.resource_hndl = ckey;
fid_parms.critical_resource = tbl->critical_resource;
rc = ulp_flow_db_resource_add(parms->ulp_ctx,
parms->flow_type,
parms->fid,
&fid_parms);
rc = ulp_mapper_fdb_opc_process(parms, tbl, &fid_parms);
if (rc)
BNXT_TF_DBG(ERR, "Fail to add gen ent flowdb %d\n", rc);
}

8
drivers/net/bnxt/tf_ulp/ulp_template_db_enum.h
View File

@ -179,6 +179,14 @@ enum bnxt_ulp_direction {
BNXT_ULP_DIRECTION_LAST = 2
};
enum bnxt_ulp_fdb_opc {
BNXT_ULP_FDB_OPC_PUSH = 0,
BNXT_ULP_FDB_OPC_ALLOC_PUSH_REGFILE = 1,
BNXT_ULP_FDB_OPC_PUSH_REGFILE = 2,
BNXT_ULP_FDB_OPC_NOP = 3,
BNXT_ULP_FDB_OPC_LAST = 4
};
enum bnxt_ulp_flow_mem_type {
BNXT_ULP_FLOW_MEM_TYPE_INT = 0,
BNXT_ULP_FLOW_MEM_TYPE_EXT = 1,

4
drivers/net/bnxt/tf_ulp/ulp_template_struct.h
View File

@ -220,6 +220,10 @@ struct bnxt_ulp_mapper_tbl_info {
/* Table opcode for table operations */
uint32_t tbl_opcode;
/* FDB table opcode */
enum bnxt_ulp_fdb_opc fdb_opcode;
uint32_t flow_db_operand;
};
struct bnxt_ulp_mapper_key_field_info {